Thank you for reporting, we will resolve it shortly
Q.
The ortho/para directing group among the following is
Aldehydes Ketones and Carboxylic Acids
Solution:
$-COOH$ and $COCH_3$ are meta directing group due to the presence of similarly $CN$ is also meta directing due to the presence of multiple bond while $NHCOCH_3$ is ortho/para directing group because of less electron density